¿Por qué cambian de color las hojas?

What is the primary function of chlorophyll in leaves?

• To store water

• To convert solar energy into chemical energy

• To provide structural support

• To protect leaves from insects

Why do leaves stop producing chlorophyll in autumn?

• Because of increased sunlight

• Due to the drop in temperatures

• Because of increased rainfall

• Due to the presence of more insects

Which pigment is responsible for the orange-yellow color of leaves in autumn?

• Chlorophyll

• Carotene

• Anthocyanin

• Xanthophyll

What causes the formation of anthocyanins in leaves?

• Higher water content in leaves

• Decreased sunlight exposure

• Increased chlorophyll production

• Reactions between sugars and proteins

Which pigment is responsible for the red color in some leaves during autumn?

• Anthocyanin

• Chlorophyll

• Xanthophyll

• Carotene